Google Sheets in Self-Hosted Environment

Will google sheets work in a self-hosted environment that is not exposed outside of our network? When I use the proper URL/username/RSS token I get an error message: "Network error. Please check your username, url, and password. If correct, make sure you have the correct permissions. "

Google Sheets exists only in the cloud - it is not a local application. It can therefore only communicate to other services or sites that are also in the cloud. If your Spira application is behind a firewall, Google Sheets will not be able to see it.

In other words if you can't access your application from a browser on any network, Google can't either.